| # Copyright (C) 2010 Google Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| from datetime import datetime |
| from django.utils import simplejson |
| import logging |
| import sys |
| import traceback |
| |
| from model.testfile import TestFile |
| |
| JSON_RESULTS_FILE = "results.json" |
| JSON_RESULTS_FILE_SMALL = "results-small.json" |
| JSON_RESULTS_PREFIX = "ADD_RESULTS(" |
| JSON_RESULTS_SUFFIX = ");" |
| JSON_RESULTS_VERSION_KEY = "version" |
| JSON_RESULTS_BUILD_NUMBERS = "buildNumbers" |
| JSON_RESULTS_TESTS = "tests" |
| JSON_RESULTS_RESULTS = "results" |
| JSON_RESULTS_TIMES = "times" |
| JSON_RESULTS_PASS = "P" |
| JSON_RESULTS_SKIP = "X" |
| JSON_RESULTS_NO_DATA = "N" |
| JSON_RESULTS_MIN_TIME = 3 |
| JSON_RESULTS_HIERARCHICAL_VERSION = 4 |
| JSON_RESULTS_MAX_BUILDS = 500 |
| JSON_RESULTS_MAX_BUILDS_SMALL = 100 |
| |
| |
| def _add_path_to_trie(path, value, trie): |
| if not "/" in path: |
| trie[path] = value |
| return |
| |
| directory, slash, rest = path.partition("/") |
| if not directory in trie: |
| trie[directory] = {} |
| _add_path_to_trie(rest, value, trie[directory]) |
| |
| |
| def _trie_json_tests(tests): |
| """Breaks a test name into chunks by directory and puts the test time as a value in the lowest part, e.g. |
| foo/bar/baz.html: VALUE1 |
| foo/bar/baz1.html: VALUE2 |
| |
| becomes |
| foo: { |
| bar: { |
| baz.html: VALUE1, |
| baz1.html: VALUE2 |
| } |
| } |
| """ |
| trie = {} |
| for test, value in tests.iteritems(): |
| _add_path_to_trie(test, value, trie) |
| return trie |
| |
| |
| def _is_directory(subtree): |
| # FIXME: Some data got corrupted and has results/times at the directory level. |
| # Once the data is fixed, this should assert that the directory level does not have |
| # results or times and just return "JSON_RESULTS_RESULTS not in subtree". |
| if JSON_RESULTS_RESULTS not in subtree: |
| return True |
| |
| for key in subtree: |
| if key not in (JSON_RESULTS_RESULTS, JSON_RESULTS_TIMES): |
| del subtree[JSON_RESULTS_RESULTS] |
| del subtree[JSON_RESULTS_TIMES] |
| return True |
| |
| return False |
| |
| |
| class JsonResults(object): |
| @classmethod |
| def _strip_prefix_suffix(cls, data): |
| # FIXME: Stop stripping jsonp callback once we upload pure json everywhere. |
| if data.startswith(JSON_RESULTS_PREFIX) and data.endswith(JSON_RESULTS_SUFFIX): |
| return data[len(JSON_RESULTS_PREFIX):len(data) - len(JSON_RESULTS_SUFFIX)] |
| return data |
| |
| @classmethod |
| def _generate_file_data(cls, json, sort_keys=False): |
| return simplejson.dumps(json, separators=(',', ':'), sort_keys=sort_keys) |
| |
| @classmethod |
| def _load_json(cls, file_data): |
| json_results_str = cls._strip_prefix_suffix(file_data) |
| if not json_results_str: |
| logging.warning("No json results data.") |
| return None |
| |
| try: |
| return simplejson.loads(json_results_str) |
| except: |
| logging.debug(json_results_str) |
| logging.error("Failed to load json results: %s", traceback.print_exception(*sys.exc_info())) |
| return None |
| |
| @classmethod |
| def _merge_json(cls, aggregated_json, incremental_json, num_runs): |
| cls._merge_non_test_data(aggregated_json, incremental_json, num_runs) |
| incremental_tests = incremental_json[JSON_RESULTS_TESTS] |
| if incremental_tests: |
| aggregated_tests = aggregated_json[JSON_RESULTS_TESTS] |
| cls._merge_tests(aggregated_tests, incremental_tests, num_runs) |
| cls._normalize_results(aggregated_tests, num_runs) |
| |
| @classmethod |
| def _merge_non_test_data(cls, aggregated_json, incremental_json, num_runs): |
| incremental_builds = incremental_json[JSON_RESULTS_BUILD_NUMBERS] |
| aggregated_builds = aggregated_json[JSON_RESULTS_BUILD_NUMBERS] |
| aggregated_build_number = int(aggregated_builds[0]) |
| |
| for index in reversed(range(len(incremental_builds))): |
| build_number = int(incremental_builds[index]) |
| logging.debug("Merging build %s, incremental json index: %d.", build_number, index) |
| |
| # Merge this build into aggreagated results. |
| cls._merge_one_build(aggregated_json, incremental_json, index, num_runs) |
| |
| @classmethod |
| def _merge_one_build(cls, aggregated_json, incremental_json, incremental_index, num_runs): |
| for key in incremental_json.keys(): |
| # Merge json results except "tests" properties (results, times etc). |
| # "tests" properties will be handled separately. |
| if key == JSON_RESULTS_TESTS: |
| continue |
| |
| if key in aggregated_json: |
| aggregated_json[key].insert(0, incremental_json[key][incremental_index]) |
| aggregated_json[key] = aggregated_json[key][:num_runs] |
| else: |
| aggregated_json[key] = incremental_json[key] |
| |
| @classmethod |
| def _merge_tests(cls, aggregated_json, incremental_json, num_runs): |
| # FIXME: Some data got corrupted and has results/times at the directory level. |
| # Once the data is fixe, this should assert that the directory level does not have |
| # results or times and just return "JSON_RESULTS_RESULTS not in subtree". |
| if JSON_RESULTS_RESULTS in aggregated_json: |
| del aggregated_json[JSON_RESULTS_RESULTS] |
| if JSON_RESULTS_TIMES in aggregated_json: |
| del aggregated_json[JSON_RESULTS_TIMES] |
| |
| all_tests = set(aggregated_json.iterkeys()) |
| if incremental_json: |
| all_tests |= set(incremental_json.iterkeys()) |
| |
| for test_name in all_tests: |
| if test_name not in aggregated_json: |
| aggregated_json[test_name] = incremental_json[test_name] |
| continue |
| |
| incremental_sub_result = incremental_json[test_name] if incremental_json and test_name in incremental_json else None |
| if _is_directory(aggregated_json[test_name]): |
| cls._merge_tests(aggregated_json[test_name], incremental_sub_result, num_runs) |
| continue |
| |
| if incremental_sub_result: |
| results = incremental_sub_result[JSON_RESULTS_RESULTS] |
| times = incremental_sub_result[JSON_RESULTS_TIMES] |
| else: |
| results = [[1, JSON_RESULTS_NO_DATA]] |
| times = [[1, 0]] |
| |
| aggregated_test = aggregated_json[test_name] |
| cls._insert_item_run_length_encoded(results, aggregated_test[JSON_RESULTS_RESULTS], num_runs) |
| cls._insert_item_run_length_encoded(times, aggregated_test[JSON_RESULTS_TIMES], num_runs) |
| |
| @classmethod |
| def _insert_item_run_length_encoded(cls, incremental_item, aggregated_item, num_runs): |
| for item in incremental_item: |
| if len(aggregated_item) and item[1] == aggregated_item[0][1]: |
| aggregated_item[0][0] = min(aggregated_item[0][0] + item[0], num_runs) |
| else: |
| aggregated_item.insert(0, item) |
| |
| @classmethod |
| def _normalize_results(cls, aggregated_json, num_runs): |
| names_to_delete = [] |
| for test_name in aggregated_json: |
| if _is_directory(aggregated_json[test_name]): |
| cls._normalize_results(aggregated_json[test_name], num_runs) |
| else: |
| leaf = aggregated_json[test_name] |
| leaf[JSON_RESULTS_RESULTS] = cls._remove_items_over_max_number_of_builds(leaf[JSON_RESULTS_RESULTS], num_runs) |
| leaf[JSON_RESULTS_TIMES] = cls._remove_items_over_max_number_of_builds(leaf[JSON_RESULTS_TIMES], num_runs) |
| if cls._should_delete_leaf(leaf): |
| names_to_delete.append(test_name) |
| |
| for test_name in names_to_delete: |
| del aggregated_json[test_name] |
| |
| @classmethod |
| def _should_delete_leaf(cls, leaf): |
| deletable_types = set((JSON_RESULTS_PASS, JSON_RESULTS_NO_DATA, JSON_RESULTS_SKIP)) |
| for result in leaf[JSON_RESULTS_RESULTS]: |
| if result[1] not in deletable_types: |
| return False |
| |
| for time in leaf[JSON_RESULTS_TIMES]: |
| if time[1] >= JSON_RESULTS_MIN_TIME: |
| return False |
| |
| return True |
| |
| @classmethod |
| def _remove_items_over_max_number_of_builds(cls, encoded_list, num_runs): |
| num_builds = 0 |
| index = 0 |
| for result in encoded_list: |
| num_builds = num_builds + result[0] |
| index = index + 1 |
| if num_builds >= num_runs: |
| return encoded_list[:index] |
| |
| return encoded_list |
| |
| @classmethod |
| def _check_json(cls, builder, json): |
| version = json[JSON_RESULTS_VERSION_KEY] |
| if version > JSON_RESULTS_HIERARCHICAL_VERSION: |
| logging.error("Results JSON version '%s' is not supported.", |
| version) |
| return False |
| |
| if not builder in json: |
| logging.error("Builder '%s' is not in json results.", builder) |
| return False |
| |
| results_for_builder = json[builder] |
| if not JSON_RESULTS_BUILD_NUMBERS in results_for_builder: |
| logging.error("Missing build number in json results.") |
| return False |
| |
| # FIXME: Once all the bots have cycled, we can remove this code since all the results will be heirarchical. |
| if version < JSON_RESULTS_HIERARCHICAL_VERSION: |
| json[builder][JSON_RESULTS_TESTS] = _trie_json_tests(results_for_builder[JSON_RESULTS_TESTS]) |
| json[JSON_RESULTS_VERSION_KEY] = JSON_RESULTS_HIERARCHICAL_VERSION |
| |
| return True |
| |
| @classmethod |
| def merge(cls, builder, aggregated, incremental, num_runs, sort_keys=False): |
| if not incremental: |
| logging.warning("Nothing to merge.") |
| return None |
| |
| logging.info("Loading incremental json...") |
| incremental_json = cls._load_json(incremental) |
| if not incremental_json: |
| return None |
| |
| logging.info("Checking incremental json...") |
| if not cls._check_json(builder, incremental_json): |
| return None |
| |
| logging.info("Loading existing aggregated json...") |
| aggregated_json = cls._load_json(aggregated) |
| if not aggregated_json: |
| return incremental |
| |
| logging.info("Checking existing aggregated json...") |
| if not cls._check_json(builder, aggregated_json): |
| return incremental |
| |
| if aggregated_json[builder][JSON_RESULTS_BUILD_NUMBERS][0] == incremental_json[builder][JSON_RESULTS_BUILD_NUMBERS][0]: |
| logging.error("Incremental JSON's build number is the latest build number in the aggregated JSON: %s." % aggregated_json[builder][JSON_RESULTS_BUILD_NUMBERS][0]) |
| return aggregated |
| |
| logging.info("Merging json results...") |
| try: |
| cls._merge_json(aggregated_json[builder], incremental_json[builder], num_runs) |
| except: |
| logging.error("Failed to merge json results: %s", traceback.print_exception(*sys.exc_info())) |
| return None |
| |
| aggregated_json[JSON_RESULTS_VERSION_KEY] = JSON_RESULTS_HIERARCHICAL_VERSION |
| |
| return cls._generate_file_data(aggregated_json, sort_keys) |
| |
| @classmethod |
| def update(cls, master, builder, test_type, incremental): |
| small_file_updated = cls.update_file(master, builder, test_type, incremental, JSON_RESULTS_FILE_SMALL, JSON_RESULTS_MAX_BUILDS_SMALL) |
| large_file_updated = cls.update_file(master, builder, test_type, incremental, JSON_RESULTS_FILE, JSON_RESULTS_MAX_BUILDS) |
| |
| return small_file_updated and large_file_updated |
| |
| @classmethod |
| def update_file(cls, master, builder, test_type, incremental, filename, num_runs): |
| files = TestFile.get_files(master, builder, test_type, filename) |
| if files: |
| file = files[0] |
| new_results = cls.merge(builder, file.data, incremental, num_runs) |
| else: |
| # Use the incremental data if there is no aggregated file to merge. |
| file = TestFile() |
| file.master = master |
| file.builder = builder |
| file.test_type = test_type |
| file.name = filename |
| new_results = incremental |
| logging.info("No existing json results, incremental json is saved.") |
| |
| if not new_results or not file.save(new_results): |
| logging.info("Update failed, master: %s, builder: %s, test_type: %s, name: %s." % (master, builder, test_type, filename)) |
| return False |
| |
| return True |
| |
| @classmethod |
| def _delete_results_and_times(cls, tests): |
| for key in tests.keys(): |
| if key in (JSON_RESULTS_RESULTS, JSON_RESULTS_TIMES): |
| del tests[key] |
| else: |
| cls._delete_results_and_times(tests[key]) |
| |
| @classmethod |
| def get_test_list(cls, builder, json_file_data): |
| logging.debug("Loading test results json...") |
| json = cls._load_json(json_file_data) |
| if not json: |
| return None |
| |
| logging.debug("Checking test results json...") |
| if not cls._check_json(builder, json): |
| return None |
| |
| test_list_json = {} |
| tests = json[builder][JSON_RESULTS_TESTS] |
| cls._delete_results_and_times(tests) |
| test_list_json[builder] = {"tests": tests} |
| return cls._generate_file_data(test_list_json) |
